Abstract The purpose of the research is (1) analyze the program to strengthen the understanding of Pancasila values for former terrorist convicts conducted by the Gema Salam Foundation; (2) describe the supporting and inhibiting factors in implementing the program to strengthen the understanding of Pancasila values for former terrorist convicts conducted by the Gema Salam Foundation; (3) describe the impact of strengthening Pancasila values for terrorist convicts by the Gema Salam Foundation. This study was conducted at the Gema Salam Foundation in Surakarta City. The type of research is descriptive qualitative. Observation techniques, interviews, and documentation. The analysis technique uses interactive analysis consisting of data reduction, data presentation, drawing conclusions/verification. The results of the study concluded: (1) The Pancasila value strengthening program conducted by the Gema Salam Foundation began when the terrorist convicts were serving their prison sentences. The strengthening program is in the form of mentoring, coaching on national insight, and supervision. The Pancasila value strengthening program implemented on the basis of this partnership has proven to be able to improve the understanding of former terrorist convicts towards Pancasila values. (2) Factors that support the Pancasila value strengthening program include government support in the form of mentoring, coaching on national insight, religious insight, and entrepreneurship, as well as material assistance and capital, in addition to family and community factors that play an important role in implementing the Pancasila value strengthening program, while inhibiting factors include funding, infrastructure, lack of prison education for the community, and internal factors from former prisoners themselves who lack self-confidence. (3) The Pancasila value strengthening program has a positive impact on changes in the attitudes and behavior of former convicts in the form of changes in the attitudes and behavior of former convicts, the growth of tolerance between religious communities, and changes in the spirit of former convicts in trying to meet family needs. Another impact is bringing about a fundamental change in views within convicts, namely the awareness of ex-convicts that what they have been doing so far is wrong, so it needs to be corrected. Keywords: Pancasila, Convicts, Terrorism